Blissed is a sound-design/music app that uses simple additive synthesis and FX processing to create ambient drone music and textures.

It is based on Pure Data for the audio DSP.

To use it, you choose a scale, then assign some base frequencies, and then layer chords of sine waves. The chords work in pairs and you can modulate between them over a variable time window. Effects include chorus, distortion, reverb, and tremolo to make slowly shifting warm textures.

Some screenshots of the underlying Pure Data patch:

pic2

pic3 drronemo app touchOSC

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